# Xigma vs BondKeeper

The clearest difference is in-app purchases: Xigma at none against BondKeeper's 1. BondKeeper's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BondKeeper sells 1 in-app purchase, starting at $4.99 per month. Xigma asks for nothing beyond the download.

Xigma ships an update every 6 weeks, BondKeeper every 2 weeks. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Xigma | BondKeeper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Size | 2 MB | 1 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TopCars](https://appshunter.io/developer/1780433618) | [杰 向](https://appshunter.io/developer/1860305678) |

## What reviewers say

### Xigma

[App page](https://appshunter.io/ios/app/xigma/id6748836221)

**Features:** macOS Compatibility

**In-app purchases:** none


### BondKeeper

[App page](https://appshunter.io/ios/app/bondkeeper/id6761246899)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BondKeeper Premium | $4.99 | per month |


## Frequently asked questions

### Is Xigma free?

Xigma is free to download, with no in-app purchases.

### Is BondKeeper free?

BondKeeper is free to download, with in-app purchases available.

### Do Xigma or BondKeeper have ads?

Neither Xigma nor BondKeeper shows ads.

### Which is updated more often, Xigma or BondKeeper?

Xigma ships an update every 6 weeks, and BondKeeper every 2 weeks. Most recently, Xigma was updated on October 15, 2026 and BondKeeper on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*